diff --git a/README.md b/README.md
index e6f9ad2..a7a9289 100644
--- a/README.md
+++ b/README.md
@@ -50,3 +50,15 @@ MAIN ENTRANCE BUILD UP
 \_X \/\//--\| \|| _|_\_ #Web4D
                         
 ```
+
+ScuttleButt un réseau social maillé Libre qui marche au soleil.
+Sur Fixe : http://dinosaur.is/patchwork-downloader/
+sur Mobile : https://manyver.se
+
+Il se connecte automatiquement en réseau local avec les autres scuttlebutt et fonctionne par ami d'ami (P2P).
+Il enlève les parasites de ton réseau et permet de cultiver l'intelligence collective au lieu de l'exploiter
+
+--
+Fred
+Forgeron monétaire Libre : DsEx1pS33vzYZg4MroyBV9hCw98j1gtHEhwiZ5tK7ech
+https://cesium.app/ & https://gchange.fr/
diff --git a/doc/images/mcdc_ok.gif b/doc/images/mcdc_ok.gif
new file mode 100644
index 0000000..c5a8c2c
Binary files /dev/null and b/doc/images/mcdc_ok.gif differ
diff --git a/zen/tools/make_G1SSB_secret.sh b/zen/tools/make_G1SSB_secret.sh
index 0a45125..1874cea 100755
--- a/zen/tools/make_G1SSB_secret.sh
+++ b/zen/tools/make_G1SSB_secret.sh
@@ -12,6 +12,26 @@ echo '
 # Make a G1SSB Account
 ########################################################################
 '
+
+# INSTALL Silkaj, CLI for Duniter
+if [[ ! $(which silkaj) ]]; then
+	echo '**************************************************************
+ __ ___                
+(_   |  |  |/  /\    | 
+__) _|_ |_ |\ /--\ \_| 
+                       
+#Libre Money Layer
+'
+    mkdir -p ~/.zen
+	sudo apt update || true
+    sudo apt install build-essential -y
+    sudo pip3 install base58
+	sudo apt install python3-pip python3-setuptools python3-wheel -y
+    pip3 install silkaj --user
+	echo 'PATH=$PATH:.local/bin' >> ~/.bashrc && source ~/.bashrc
+fi
+
+
 if [[ -d ~/.ssb ]]; then
     echo "ScuttelButt is already installed..."
     echo "Do you want to remove ~/.ssb ? (y)/n"
diff --git a/zen/tools/switch_ssb_identity.sh b/zen/tools/switch_ssb_identity.sh
new file mode 100755
index 0000000..c5d024d
--- /dev/null
+++ b/zen/tools/switch_ssb_identity.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+[ ! -L ~/.ssb ] && [ ! -d ~/.ssb_1st ] && echo "Making 1st backup" && mv ~/.ssb ~/.ssb_1st && ln -s ~/.ssb_1st ~/.ssb
+for dir in $(ls -d ~/.ssb* | cut -d '_' -f 2); do
+    [ ! -e $dir ] && echo "Choose..." || continue
+    echo " $dir Identity ? (y)/n" && read isok
+    [[ "$isok" == "y" ]] && [ -L ~/.ssb ] && rm ~/.ssb && ln -s ~/.ssb_$dir ~/.ssb && echo "Welcome $dir" && break
+done
+echo "Your SSB Identity is linked to"
+ls -l ~/.ssb